Loading...
Plans (59) M EC2019-00033 DESIGN CONDITIONS - PORTLAND, OREGON SPACE WNTER SUMER TaPERATURE HUMIDITY T6 4TUFE HUMDITY INDOOR 70'F±ZF DB NOT CONTROLLED 757±2'F DB NOT CONTROLLED OUTDOOR 252F DB N/A 914E DB/6721F MACWB 28.1X R I NOM SHEET NOTES: 1. OUTDOOR CONDITIONS BASED ON ASI-AAE RJNDAK rALB 2013, KC 0AX DATE HUNTER - DAV I S SO N, INC. O1 CONNECT 3/4" GAS PIPING FROM ABANDONED UNIT HEATER HVAC/R • CONTROLS GAS-FIRED ROOFTOP UNIT SCHEDULE CONTRACTORS • ENGINEERS TONS GAS INPUT OSA VOLTS/ I SERVICE • MAINTENANCE SYMBOL QNTY MANUFACTURER MODEL DESCRIPTION COOL (MBH) CFM CFM PHASE MCA FUSE WEIGHT NOTES RTU-1 1 CARRIER 48-KCDA06A2A5 GAS PACK 5 72 2000 630 • 208/3 30 I 45 607 1, 2, 3 . _. . ._ . .__-.- 1 (503) 234-0477 • hunterdavisson.com NOTES: 1. PROVIDE ROOF CURB. 2. DISCONNECT BY E.C. 3. PROVIDE RETURN AIR SMOKE DETECTOR IMIN. 4SF R/A OPENING ON TOP OF DUCT W/ BIRDSCREEN, J 0 RTU-1 PROVIDE 1" SA LINER RECEIVED ED 5'ONS i MINIMUM OUTSIDE AIR CALCULATIONS JAIvF 2019 SMOKE DETECTOR 375 NP 4 CITY OF TIGARD T I © IN R/A PLENUM t NO. OSA OSA (4) BUILDING DIVISION I SYMBOL SPACE TYPE PEOPLE AREA CFM CFM DESIGN BASIS/ 14" 16"0A____L 14"0 - TOTAL (1) TOTAL (2) REQUIRED(3) USED REMARKS L - 1 RTU-1 PET SHOPS (ANIMAL AREAS) 25 2450 628.5 630 7.5 CFM (PERSON, 0.18 CFM/SF TABLE 403_3 26x11 R/A & 1 12x18 S/A UP 1 NOTES: (1) OCCUPANT DENSITY TO RTU / (2) AREA OUTDOOR AIRFLOW RATE IN BREATHING ZONE / (3) MINIMUM OCCUPIED OSA • / (4) BASED ON UBC CHAPTER 12. ' C/ (5) INTERMITTANT OCCUPANCY . , .. • , >i . , J : . , J r.. , .s J / [V 5 H \\ / // OFFICE ' P)f Ce - CITY OF TIGARD - i ! iREVIEWED FOR CODE COMPLIANCE zIII Approved: .. 1 . . . - OTC: . j 1 Permit#: p P r__,--1_("))(I- o©n-- 16x6 .SR-1 Address: 1'�7 O,�a Pr s N.1 M 1-0 250 TYP 2 Suite#. __.f-- R},, ...-.11: Date: ) � ��-. i �' 001 GENERAL NOTES: SCOPE OF WORK: 1. NEW 1 REMODEL CONSTRUCTION CUTTING & PATCHING BY GENERAL CONTRACTOR. 1. FURNISH & INSTALL (X1) GAS FIRED ROOFTOP UNIT W/ROOF CURB 13707 SW PACIFIC HIGHWAY 2. INSTALLATION WILL COMPLY WITH 2014 OREGON MECHANICAL SPECIALTY CODE (GMSC), 2014 2. FURNISH & INSTALL (X1) PROGRAMMABLE THERMOSTAT WI TIGARD, OR 97224 - OREGON STRUCTURAL SPECIALTY CODE (OSSC), 2014 OREGON ENERGY EFFICIENCY SPECIALTY ASSOCIATED CONTROL WIRING • CODE (OEESC) AND ASHRAE STANDARDS. 3. GAS PIPING TO ROOFTOP UNIT 3. LOAD CALCULATIONS WERE PERFORMED WITH AN APPROVED EQUIVALENT COMPUTATION REVISIONS PROCEDURE AND EQUIPMENT SIZING AND CAPACITY DOES NOT EXCEED THE LOADS CALCULATED 4. CONDENSATE DRAIN PIPING �~ 1 AS PER SECTION 503.2 OF THE OEESC. 5. FABRICATE AND INSTALL GALVANIZED SHEET METAL DUCTWORK - - 4- SUPPLY & RETURN AIR DUCTWORK TO BE LINED WITH 1" - 1-112#SA INSULATION FOR AT LEAST 10' I _ w..- .. FROM AIR HANDLING EQUIPMENT, UNLESS NOTED OTHERWISE (INDOOR VS. OUTDOOR). 6. DUCT LINER & DUCT WRAP AS APPROPRIATE o _ l J I Ti3 I 5- NEW DUCTWORK TO BE INSTALLED USING SHEET METAL RUN OUTS IN ACCORDANCE WITH 7. GRILLES, REGISTERS AND DIFFUSERS THE ACTIVATION OF A DUCT E SMACNA STANDARDS. SMOKE DETECTOR SHALL N 8. START, CHECK AND ADJUST SYSTEMS ACTIVATE A VISIBLE AND g- 6. INSULATE & SEAL DUCTS AND PLENUMS PER OEESC 503.2.7 & OSMC 603.9. AUDIBLE SUPERVISORY }' 9. TESTING, ADJUSTING &AIR BALANCING 1 EL00 P LAI\ - HVAC O (ThLEVEL 7. VOLUME DAMPERS OR OTHER MEANS OF SUPPLY AIR ADJUSTMENT SHALL BE PROVIDED IN THE ` • BRANCH DUCTS OR AT EACH INDIVIDUAL DUCT REGISTER. GRILLE OR DIFFUSER IN ADDITION VALIDITY OF PERMIT SIGNAL AT A CONSTANTLY \M O I/ 1/8" = 1'-0" EACH VOLUME DAMPER OR OTHER MEANS OF SUPPLY AIR ADJUSTMENT USED IN BALANCING THE ISSUANCE OF A PERMIT ATTENDED LOCATION o ' SHALL BE PROVIDED WITH ACCESS IN ACCORDANCE WITH SECTION 603.17 OF THE OMSC. BASED ON CONSTRUCTION OMSC 606.4,1 u DOCUMENTS AND OTHER D 8. SHEET METAL DUCT JOINTS SHALL BE SEALED WITH MASTIC- WHERE MASTIC IS USED TO SEAL ' DATA SHALL NOT PREVENT OPENINGS GREATER THAN 1/4". A COMBINATION OF MASTIC AND MESH SHALL BE USED. AREA OF WORK: THE CODE OFFICIAL FROM DATE 01/11/2019 REQUIRING THE.CORRECTION 9. ROOF CURBS TO BE FURNISHED AND SPOTTED BY HUNTER-DAVISSON. LEVELING AND ROOFING DRAWN BY JM FOAM GASKET UNIT OF ERRORS.OSC 105.4 6 �_ 1/4" LAG SCREW THRU BY THE GENERAL CONTRACTOR. a) ` : -al-s-� WOOD RAIL BASERAIL TO CURB 10. STRUCTURAL CALCULATIONS FOR NEW ROOFTOP EQUIPMENT BY LICENSED STRUCTURAL CHECKED BY TW `- METAL �� =,., ENGINEER- ROOF CURB ROOF SHEATHING 11. PROGRAMMABLE ROOM THERMOSTATS TO BE MOUNTED 48"ABOVE FINISHED FLOOR. PER mzi __ LEVEL FLOOR c 4 ( SECTION 503.2.4 OF THE OEESC THERMOSTATS SHALL BE CAPABLE OF CONTROLLING THE -'"/:' l 14 PLAN - HVAC 05 °F TEMPERATURE BETWEEN 55AND 85°F WITH A DEADBAND OF 5°F. OFF-HOUR CONTROLS SHALL nr - - = O i ROOF DECKBE ACCOMPLISHED USING A PROGRAMMABLE THERMOSTAT OR TIMECLOCK. OPTIMUM START „..?:CV CONTROLS SHALL BE ABLE TO VARY THE START-UP TIME OF THE SYSTEM TO JUST MEET THE 1/4" LAG SCREW INTO ROOF STRUCTURE TEMPERATURE SET POINT AT THE TIME OF OCCUPANCY. PROVIDE A VANDAL PROOF GUARD FOR , c ROOF STRUCTURE PER STRUCTURAL THERMOSTATS LOCATED IN PUBLIC AREAS AS REQUIRED. /1-1±..F. 'pI - .; � 1111 r. 1 - 0 12. OUTSIDE AIR DAMPERS SHALL HAVE A MAXIMUM LEAKAGE RATE OF 20 CFM/SQ.FT. @ 1.0"W.G. v ` ' 11/1 1 0 1 5 13. OPERATION AND MAINTENANCE MANUAL(S) SHALL BE PROVIDED TO THE BUILDING OWNER BY THE ' j v 2 0 0 F1(- �T 0 P U NI T C U ETA I L MECHANICAL CONTRACTOR IN ACCORDANCE WITH SECTION 503.2.9.3 OF THE OEE5C. - s=s _• ' • M� D1 NOT TO SCALE • CONSTRUCTION DRAWING ©